Patch 0.221.13 (Public Test)

+2 buff −1 nerf 2 other

✦AI summary2w

Introduces a new chunk-based world save system to improve saving speed and reduce the risk of save file corruption.

▲Buffs2

World Save System
- The new chunk-based system reduces the amount of data written per save, resulting in faster saving times.→Faster
- Added extra post-save verification checks to ensure data integrity and reduce the likelihood of corrupt save files.→Lower

▼Nerfs1

World Save SystemThe shift to chunked saves increases the total number of files stored, which may hit file-count limits on some cloud storage platforms.low→high

◆Other changes2

World Save System
- Worlds are now saved in smaller chunks rather than single large files, allowing only modified areas to be updated during a save.single .db/.fwl files→chunked folders
- Backups are now organized into their own separate folders for better management.files→separate folders

subjects affected (1)

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World Save System5

How did this patch land?

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official notes

Valheim · May 6, 2026

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Patch history

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